Finding the Fourth Proportional to 449,590.17, 674,717.97 and 212,933.42
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Solution
The fourth proportional to 449,590.17, 674,717.97 and 212,933.42 is: 319,557.70
Step by Step Solution
- Step 1: Write the proportion equation
449,590.17 : 674,717.97 = 212,933.42 : x - Step 2: Convert to fraction form
449,590.17/674,717.97 = 212,933.42/x - Step 3: Cross multiply
449,590.17x = 674,717.97 × 212,933.42 - Step 4: Simplify right side
449,590.17x = 143,670,001,513.97 - Step 5: Solve for x
x = 143,670,001,513.97/449,590.17 - Step 6: Final answer
x = 319,557.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.